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Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus
OBJECTIVE: To establish the safest approach to needle electrode insertion into the flexor pollicis longus (FPL) regarding possible needle injury to the superficial radial nerve (SRN) or radial artery by ultrasonography. METHODS: We evaluated 54 forearms of 27 healthy subjects. Three levels were defi...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Korean Academy of Rehabilitation Medicine
2013
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3660482/ https://www.ncbi.nlm.nih.gov/pubmed/23705116 http://dx.doi.org/10.5535/arm.2013.37.2.215 |
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author | Lee, Seung Min Kim, Kihoon Lee, Sang Min Lee, Hyun Seok |
author_facet | Lee, Seung Min Kim, Kihoon Lee, Sang Min Lee, Hyun Seok |
author_sort | Lee, Seung Min |
collection | PubMed |
description | OBJECTIVE: To establish the safest approach to needle electrode insertion into the flexor pollicis longus (FPL) regarding possible needle injury to the superficial radial nerve (SRN) or radial artery by ultrasonography. METHODS: We evaluated 54 forearms of 27 healthy subjects. Three levels were defined in the forearm. Level 1 is the junction of the middle and distal third of the forearm, level 3 is the midpoint of forearm length, and level 2 is the midpoint between two levels. At each level, the distance between the most prominent point of the radius and the SRN (region A), the distance between the SRN and the radial artery (region B), and the depth from the skin surface to the FPL were measured. RESULTS: The distance of region A was 1.20±0.41 cm in level 1, 1.62±0.45 cm in level 2, and 1.95±0.49 cm in level 3. The distance of region B was 1.02±0.29 cm in level 1, 0.61±0.24 cm in level 2, and 0.37±0.19 cm in level 3. The depth from the skin surface to the FPL was 0.92±0.20 cm in level 1, 1.14±0.26 cm in level 2, and 1.45±0.29 cm in level 3. CONCLUSION: The safest needle insertion point to the FPL is the middle of the forearm within approximately 0.8 cm from the most prominent point of the radius. We recommend that the needle is inserted at the above point perpendicular to the skin surface until the needle meets the FPL at a depth of approximately 1.45 cm from the skin surface. |
format | Online Article Text |
id | pubmed-3660482 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Korean Academy of Rehabilitation Medicine |
record_format | MEDLINE/PubMed |
spelling | pubmed-36604822013-05-23 Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus Lee, Seung Min Kim, Kihoon Lee, Sang Min Lee, Hyun Seok Ann Rehabil Med Original Article OBJECTIVE: To establish the safest approach to needle electrode insertion into the flexor pollicis longus (FPL) regarding possible needle injury to the superficial radial nerve (SRN) or radial artery by ultrasonography. METHODS: We evaluated 54 forearms of 27 healthy subjects. Three levels were defined in the forearm. Level 1 is the junction of the middle and distal third of the forearm, level 3 is the midpoint of forearm length, and level 2 is the midpoint between two levels. At each level, the distance between the most prominent point of the radius and the SRN (region A), the distance between the SRN and the radial artery (region B), and the depth from the skin surface to the FPL were measured. RESULTS: The distance of region A was 1.20±0.41 cm in level 1, 1.62±0.45 cm in level 2, and 1.95±0.49 cm in level 3. The distance of region B was 1.02±0.29 cm in level 1, 0.61±0.24 cm in level 2, and 0.37±0.19 cm in level 3. The depth from the skin surface to the FPL was 0.92±0.20 cm in level 1, 1.14±0.26 cm in level 2, and 1.45±0.29 cm in level 3. CONCLUSION: The safest needle insertion point to the FPL is the middle of the forearm within approximately 0.8 cm from the most prominent point of the radius. We recommend that the needle is inserted at the above point perpendicular to the skin surface until the needle meets the FPL at a depth of approximately 1.45 cm from the skin surface. Korean Academy of Rehabilitation Medicine 2013-04 2013-04-30 /pmc/articles/PMC3660482/ /pubmed/23705116 http://dx.doi.org/10.5535/arm.2013.37.2.215 Text en Copyright © 2013 by Korean Academy of Rehabilitation Medicine http://creativecommons.org/licenses/by-nc/3.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Lee, Seung Min Kim, Kihoon Lee, Sang Min Lee, Hyun Seok Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title | Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title_full | Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title_fullStr | Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title_full_unstemmed | Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title_short | Ultrasonographic Evaluation of Needle Insertion Site for the Flexor Pollicis Longus |
title_sort | ultrasonographic evaluation of needle insertion site for the flexor pollicis longus |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3660482/ https://www.ncbi.nlm.nih.gov/pubmed/23705116 http://dx.doi.org/10.5535/arm.2013.37.2.215 |
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